Renesas Emulator System M3T-MR100 - Manual (Page 29)

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Figure 3.8 shows the register and stack area of one task in detail. In the MR100, the register of each task is stored in a stack
area as shown in Figure 3.8. This figure shows the state prevailing after register storage.
Key input
Task
SP
FLG
R7R5
R6R4
A0
A1
PC
SB
FB
R3R1
R2R0
SFR
Key input task
stack
Register stored
Register not stored
SP
A3
A2
Figure 3.8 Actual Register and Stack Area Management